package filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class CharacterFilter implements Filter {
	
	/*
	 *字符过滤器 
	 */
	@Override
	public void init(FilterConfig arg0) throws ServletException {
	// TODO Auto-generated method stub

	}
	@Override
	public void doFilter(ServletRequest req, ServletResponse resp,
	FilterChain chain) throws IOException, ServletException {
	HttpServletRequest request = (HttpServletRequest)req;
	HttpServletResponse response = (HttpServletResponse)resp;
	request.setCharacterEncoding("UTF-8");
	response.setCharacterEncoding("UTF-8");
	chain.doFilter(request, response);
	}
	@Override
	public void destroy() {

	}

}
